Wow; it seems like yesterday. It's hard to believe Heath Ledger is gone -- but Spike TV is bringing his spirit back in an upcoming documentary as part of their "I Am" series and in this installment, we get to see a more personal side of Heath that we've never seen.

The actor always had a video camera in hand, apparently, and he captured his own moments -- his own personal story told through his own lens. Spike TV's I Am Heath Ledger will premiere at the Tribeca Film Festival on April 23rd, with never-before-seen footage of the late actor who died of an accidental overdose at age 28.

Yesterday would have been Ledger's 38th birthday, so on that occasion, a trailer for the doc was released. The film includes interviews from famous friends and colleagues including Ben Harper, Brokeback Mountain director Ang Lee, Naomi Watts and the actor's sister Kate, as well as Heath's ex-girlfriend Christina Cauchi.

Harper says of his late friend, "If it wasn't the edge, it didn't interest him." Another pal, filmmaker Matt Amato says, "He wanted fame -- and then when he got it, he didn't want it."

And perhaps that was his downfall ...

I am Heath Ledger debuts on Spike TV May 17 at 10pm ET/PT. The film will be release briefly in theathers May 3.